Question: which  public holiday that starts with s
Paraphrase: which open occasion that begins with s
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1197685 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Saturnalia, Saturnalia, Saint Joseph's Day, Saint Joseph's Day, Sukkot, Sukkot, Shavuot, Shavuot, Shemini Atzeret, Shemini Atzeret, Slovenian Sports Day, Slovenian Sports Day, St. Stephen's Day, St. Stephen's Day, Saints Cyril and Methodius Day, Saints Cyril and Methodius Day, Statehood Day, Statehood Day, Socialist Constitution Day, Socialist Constitution Day, Sea day, Sea day, Science Day, Science Day, Shoppingmanweekend, Shoppingmanweekend, State Flag Day, State Flag Day, Soil Exploration Day, Soil Exploration Day, Sovereignty Restoration Day, Sovereignty Restoration Day